Elmer Thomas Lake is a lake in Comanche County in the state of Oklahoma in the United States. It is located on the boundary between the Wichita Mountain Wildlife Refuge and Fort Sill military base. The lake is named for an Oklahoma lawyer and politician, Elmer Thomas (1876–1965), who lived in Lawton and represented Oklahoma's 6th Congressional District in the U. S. House of Representatives from 1922 until 1926, then was elected as U.S. Senator, where he served until 1950. The lake has a stream source from Little Medicine Creek, encompasses , and primarily serves as a recreation area. Recreation Lake Elmer Thomas Recreation Area (LETRA) which is on the Fort Sill military base, provides camping areas, cabins, a swim beach, water slides, picnic areas, boating ramps and boat rentals. On the refuge side of the lake, there are two fishing piers and a boating ramp. See also Cache Creek Wichita Mountains Wichita Mountains Wildlife Refuge References External links Lake Elmer Thomas Recreation Area information, photos and videos on TravelOK.com Oklahoma Digital Maps: Digital Collections of Oklahoma and Indian Territory Elmer Thomas Bodies of water of Comanche County, Oklahoma Tourist attractions in Comanche County, Oklahoma